Shakin Bacon!!!!!!!

From:http://exurbanpedestrian.wordpress.com/2010/07/28/bacon/















From:




Morgan, Taylor, Linzi, and Karley

Catapult- is a class three lever system used in ancient times in battle
Link:http://www.ftschool.org/fourth/science/simple_machines.html
What is a catapult?

Defefinition of Catapult-
A device in which accumulated tension is suddenly released to hurl an object some distance, in particular


Trebuchet- is a first lever to hurl rocks or missils


More Links:
All info for Catapults:



http://en.wikipedia.org/wiki/Catapult

For Trebuchets:
http://en.wikipedia.org/wiki/Trebuchet